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Plug-in Hybrids - READ ONLY

330 messages,  Last post on Nov 13, 2008 at 12:13 PM

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What is this discussion about? Toyota Highlander Hybrid, Honda Civic, Hybrid Cars


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#186 of 330
Re: Tesla PHEV [reddroverr] by reddroverr
Jul 29, 2007 (12:06 pm)

Replying to: reddroverr (Jul 29, 2007 10:06 am)

correction: should be 50 mpg not mph
#187 of 330
Re: Tesla PHEV [reddroverr] by tpe
Jul 30, 2007 (5:12 am)

Replying to: reddroverr (Jul 29, 2007 10:06 am)

I don't understand how adding 100 kg (220 lbs) of batteries only gives you 7 miles of all electric range. The Prius already has a battery pack that weighs ~50 kg (110 lbs). So now you have a 330 lb NiMH battery pack. The Toyota RAV4 EV could go 100+ miles with a 900 lb NiMH battery pack. I almost get the sense that Toyota is trying to prove the impracticality of these vehicles while at the same time appearing to pursue this technology.
 
I do agree that given all the money they've spent developing their hybrid system they probably aren't all that excited about serial hybrids. And PHEVs would seem to give the edge to this form of hybrid.
#188 of 330
Re: Tesla PHEV [tpe] by reddroverr
Jul 30, 2007 (9:17 am)

Replying to: tpe (Jul 30, 2007 5:12 am)

I'm not sure how that pencils out. I have heard that the euro and Japanese versions of the standard Prius have a button that you can go all electric with, but you will only get a couple miles and low speeds at best.
 
I think Toyota may get passed in this if they don't get in full do it mode pretty soon.
#189 of 330
plug-in progress by tpe
Aug 06, 2007 (7:47 am)
Here's an encouraging article regarding PHEV progress.
 
phev
#190 of 330
Re: plug-in progress [tpe] by larsb
Aug 06, 2007 (7:58 am)

Replying to: tpe (Aug 06, 2007 7:47 am)

Nice post - thanks for the info.......Nice to get a "real person on the road using the PHEV to commute" story.
 
If they start doing Camrys, I'm in line for one of the 20-mile conversions without a doubt !!
 
My mom (currently hired as my live-in Nanny these days) mostly uses my TCH now to take my daughter to school and pick her up in the afternoon, and that's about 10 miles roundtrip. I could keep my TCH in "EV mode" all day, every day !!
#191 of 330
Re: plug-in progress [larsb] by gagrice
Aug 06, 2007 (11:40 am)

Replying to: larsb (Aug 06, 2007 7:58 am)

If they start doing Camrys, I'm in line for one of the 20-mile conversions without a doubt !!
 
You would void your warranty and spend $5000, to save how much? Until GM or Toyota build the PHEV it is strictly a rich man's toy. Maybe buy one of the many Prius with the battery warranty almost up to convert. Even then you would have as much as a new TCH or Prius invested.
#192 of 330
Re: plug-in progress [gagrice] by tpe
Aug 06, 2007 (2:06 pm)

Replying to: gagrice (Aug 06, 2007 11:40 am)

I don't think a $5,000 conversion represents a rich man's toy. When you're talking about the $98,000 Tesla Roadster I would tend to agree. If this battery pack really does last 300,000 miles than it will definitely have paid for itself. If you don't keep the car that long the battery pack will probably still have significant residual value. However I'm not too sure about the wisdom of voiding a warranty so, as you said, you might not want to do this on a new Prius or Camry.
#193 of 330
Re: plug-in progress [tpe] by larsb
Aug 06, 2007 (2:27 pm)

Replying to: tpe (Aug 06, 2007 2:06 pm)

The question remains:
 
Would it be a "good buy" if Toyota sold a 20-mile-PHEV-range Prius or TCH option? Of course - a no-brainer.
 
As a stand-alone conversion that voids the HEV warranty? Not such good a deal on the surface.
 
I think I would probably do it for my TCH if available because I could use my Toyota extended warranty for warranty service on the hybrid parts, and get a warranty from A123 Systems for the conversion parts.
#194 of 330
Re: plug-in progress [larsb] by gagrice
Aug 06, 2007 (3:00 pm)

Replying to: larsb (Aug 06, 2007 2:27 pm)

WIth a system as integrated as the HSD, you would probably void any part of the warranty by cutting into the system.
 
First if you have gone around the system that automatically starts the ICE when you take off cold to warm the Cat, why would Toyota warranty any part of the hybrid system after the conversion? I really would not blame Toyota for doing that.
 
I can hear the service guy now. Sir someone has stolen your traction battery. They did give you a laptop battery in place of it.
#195 of 330
Re: plug-in progress [gagrice] by gfr1
Aug 06, 2007 (7:52 pm)

Replying to: gagrice (Aug 06, 2007 3:00 pm)

I agree. First, as I understand it, the current transmission gearing won't allow the electric motor to drive the Prius at freeway speeds. Other drive ratios will have to be incorporated, which the current electric motor probably wouldn't power. Then, the EPA wouldn't approve a configuration that hasn't warmed and maintained the CAT temp. Also, the engine would have to be maintained in a warm state for when you suddenly floored the throttle to accelerate into traffic. Then, when requesting cabin heat, the coolant has to be warm enough to provide and maintain the requested temp. And, on & on, & on. A certifiable/marketable vehicle would be a whole 'nuther animal. GR

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